我有見下表： Date Age Income profession M/F Marreid/Unmarried
01-Feb-15 20-25 35,000 IT Enginner M Unmarried
01-Mar-15 25-30 45,000 IT Enginner F Unmarried
01-Feb-15 30-35 50,000 IT Enginner M Married
我使用該代碼來生成的文件的列表，在折射率禁止逐apache目錄： <?php
// create array of letters of the aplhabet
$letters = array("a","b","c","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z"
我的輸入被「TryParse」檢查。如果它是假的，我想讓用戶正確輸入。但是，當我點擊任何按鍵後，它會刪除上面的所有「Console.Clear（）;」的原因。 - 我只想刪除輸入部分，而不是上面的部分。 namespace Practice
{
class Program
{
static void Main(string[] args) // Main Met